RT Article T1 Influences of parental and best friends' smoking and drinking on adolescent use: a longitudinal study JF Journal of applied social psychology VO 29 IS 2 SP 337 OP 361 A2 Engels, Rutger C. M. E. A2 Knibbe, Ronald A. A2 Vries, Hein de A2 Drop, Maria J. A2 Breukelen, Gerard J. P. van LA English YR 1999 UL https://krimdok.uni-tuebingen.de/Record/1639715630 K1 Drogenkonsum K1 Jugendliche K1 Elterneinfluss K1 Peer-Group-Einflüsse K1 Peer-Group K1 Drogen